| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com> |
| Subject: | Re: proposal: FOREACH-IN-ARRAY (probably for 9.2?) |
| Date: | 2010-12-17 15:47:38 |
| Message-ID: | 180.1292600858@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
> I am resending a redesigned proposal about special plpgsql statement
> that support iteration over an array.
OK ...
> == Iteration over multidimensional arrays ==
> Its designed to reduce one dimension from source array. It can remove
> a slicing and simplify code:
This seems like a really bad, confusing idea. I think it should throw
a type-mismatch error in this case. If there is any use-case for such a
thing, which I'm quite unconvinced of, it ought to use a separate syntax
rather than overloading the element-by-element syntax.
regards, tom lane
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